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If 31.82 g of a metal oxide reacted with excess carbon and 4.08 L of CO2 formed at 100 C and 1.5 atm what is the identity of the metal
2noclg rarr 2nog cl2gat 450 k the rate constant is 15.4 atm-1s-1. how much time in s is needed for nocl originally at
at ordinary body temperature 37 c the solubility of n2 in water in contact with air at ordinary atmospheric pressure
what mass of melamine will be obtained from 168 kg of urea if the yield of the overall reaction is
A solution has [Cl-] = 0.041 mol/L and [I-] = 0.073 mol/L. Finely divided, solid Pb(NO3)2 is slowly added to the solution with stirring. SALT=PbCl2 Ksp=1.6x10-5 SALT=Pbl2 Ksp=7.1x10-9 What are [Pb2+ ], [Cl- ] and [I- ] at the instant the second pr..
an unknown sample of cu2 gave an absorbance of 0.262 in aa analysis. then 1.00 ml of solution containing 100.0 ppm cu2
A reaction vessel contains 13.9g of CO and 13.9g of O2. How many grams of CO2 could be produced according to the following reaction. 2CO + O2 ---> 2CO2
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
On a Particular summer day, the temperature is 30.0 degrees Celsius and the relative humidity is 80.0% ( which means that the partial pressure of water vapor in the ambient air is 80.0%
If the 53 g aluminum block is initially at 25^circ C, what is the final temperature of the block after the evaporation of the 1.02 galcohol? Assume that the heat required for the vaporization of the alcohol comes only from the aluminum block and t..
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
A gas measures 180. ml. at 870C and 800. mm Hg. Find its volume at standard temperature and 800 mm Hg of pressure.
cunaturally occurring consists of 2 isotopes 63cu and 65cu and has a relative atomic mass ar of 63.55 considering this
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